import { getBaseRouterRoute } from './helpers'
import { ensureProsodyRunning, ensureProsodyNotRunning } from './prosody/ctl'
import type { ChatType } from '../../shared/lib/types'

function initSettings (options: RegisterServerOptions): void {
  const { peertubeHelpers, registerSetting, settingsManager } = options

  // ********** IMPORTANT NOTES
  registerSetting({
    type: 'html',
    private: true,
    descriptionHTML: '<h3>Important notes</h3>'
  })
  registerSetting({
    type: 'html',
    private: true,
    descriptionHTML: `Please read the
<a href="https://github.com/JohnXLivingston/peertube-plugin-livechat/blob/main/README.md" target="_blank">
  documentation
</a> before trying to use this plugin.`
  })
  registerSetting({
    type: 'html',
    private: true,
    descriptionHTML: `Before asking for help, please use the diagnostic tool:
<a href="${getBaseRouterRoute(options)}settings/diagnostic" target="_blank">Launch diagnostic</a>
<br>`
  })

  // ********** Chat Mode
  registerSetting({
    type: 'html',
    private: true,
    descriptionHTML: '<h3>Chat mode</h3>'
  })
  registerSetting({
    name: 'chat-type',
    label: 'Webchat mode',
    type: 'select',
    default: 'disabled' as ChatType,
    private: false,
    options: [
      { value: 'disabled', label: 'Disabled' },
      { value: 'builtin-prosody', label: 'Prosody server controlled by Peertube (recommended)' },
      { value: 'builtin-converse', label: 'Connect to an existing XMPP server with ConverseJS' },
      { value: 'external-uri', label: 'Use an external webchat' }
    ] as Array<{value: ChatType, label: string}>,
    descriptionHTML: 'Please choose the webchat mode you want to use.'
  })

  registerSetting({
    name: 'chat-type-help-disabled',
    type: 'html',
    descriptionHTML: 'The chat is disabled.',
    private: true
  })
  registerSetting({
    name: 'chat-type-help-builtin-prosody',
    type: 'html',
    label: 'Prosody server controlled by Peertube (recommended)',
    descriptionHTML: `
      With this mode, the Peertube server will control a local Prosody XMPP server.
      Please read the <a
        href="https://github.com/JohnXLivingston/peertube-plugin-livechat/blob/main/documentation/prosody.md"
        target="_blank"
      >documentation.</a>`,
    private: true
  })
  registerSetting({
    name: 'chat-type-help-builtin-converse',
    type: 'html',
    label: 'Connect to an existing XMPP server with ConverseJS',
    descriptionHTML: `
      With this mode, you can connect to an existing XMPP server, with anonymous authentication and rooms enabled.
      Please read the
      <a
        href="https://github.com/JohnXLivingston/peertube-plugin-livechat/blob/main/documentation/conversejs.md"
        target="_blank"
      >documentation</a>.`,
    private: true
  })
  registerSetting({
    name: 'chat-type-help-external-uri',
    type: 'html',
    label: 'Use an external webchat',
    descriptionHTML: `
      With this mode, you can use any external webchat that can be included in an iframe.
      Please read the
      <a
        href="https://github.com/JohnXLivingston/peertube-plugin-livechat/blob/main/documentation/external.md"
        target="_blank"
      >documentation</a>.`,
    private: true
  })

  registerSetting({
    name: 'prosody-port',
    label: 'Prosody port',
    type: 'input',
    default: '52800',
    private: true,
    descriptionHTML: 'The port that will be used by the builtin Prosody server.<br>' +
    'Change it if this port is already in use on your server.<br>' +
    'You can close this port on your firewall, it will not be accessed from the outer world.'
  })

  registerSetting({
    name: 'chat-server',
    label: 'XMPP service server',
    type: 'input',
    default: '',
    descriptionHTML: 'Your XMPP server. Without any scheme. Example : peertube.im.your_domain.',
    private: true
  })
  registerSetting({
    name: 'chat-room',
    label: 'XMPP room template',
    type: 'input',
    default: '',
    descriptionHTML: 'Your XMPP room. You can use the placeholder {{VIDEO_UUID}} to add the video UUID.' +
      'Without this placeholder, all videos will point to the same chat room.<br>' +
      'Example: public@room.peertube.im.your_domain<br>' +
      'Example: public_{{VIDEO_UUID}}@room.peertube.im.your_domain',
    private: true
  })
  registerSetting({
    name: 'chat-bosh-uri',
    label: 'BOSH uri',
    type: 'input',
    default: '',
    descriptionHTML: 'URI of the external BOSH server. ' +
      'Please make sure it accept cross origin request from your domain.<br>' +
      'You must at least have a BOSH or a Websocket uri.',
    private: true
  })
  registerSetting({
    name: 'chat-ws-uri',
    label: 'Websocket uri',
    type: 'input',
    default: '',
    descriptionHTML: 'URI of the external WS server. ' +
      'Please make sure it accept cross origin request from your domain.<br>' +
      'You must at least have a BOSH or a Websocket uri.',
    private: true
  })

  registerSetting({
    name: 'chat-uri',
    label: 'Webchat url',
    type: 'input',
    default: '',
    descriptionHTML: 'Put here your webchat url. An iframe will be created pointing to this url. ' +
      'The placeholder {{VIDEO_UUID}} will be replace by the video UUID if present. ' +
      'Example : https://my_domain/conversejs.html?room=video_{{VIDEO_UUID}}.<br>' +
      'If this field is empty, it will use the builtin ConverseJS webchat.',
    private: false
  })

  // ********** Chat behaviour
  registerSetting({
    type: 'html',
    private: true,
    descriptionHTML: '<h3>Chat behaviour</h3>'
  })
  registerSetting({
    name: 'chat-auto-display',
    label: 'Automatically open the chat',
    descriptionHTML: 'When watching a video, the chatbox will automatically open',
    type: 'input-checkbox',
    default: true,
    private: false
  })
  registerSetting({
    name: 'chat-open-blank',
    label: 'Show the «open in new window» button',
    descriptionHTML: 'There will be a button for opening the webchat in a new window.',
    private: false,
    type: 'input-checkbox',
    default: true
  })
  registerSetting({
    name: 'chat-only-locals',
    label: 'Chats are only available for local videos.',
    descriptionHTML: 'If you uncheck this settings, the chat will also be enabled on remote videos.',
    type: 'input-checkbox',
    default: true,
    private: false
  })
  registerSetting({
    name: 'chat-only-locals-warning',
    type: 'html',
    private: true,
    descriptionHTML: `
<span class="peertube-plugin-livechat-warning">
  The plugin is not compatible with video federation yet.
  The webchat will only be accessible for people watching videos on your server.
</span>`
  })
  registerSetting({
    name: 'chat-all-lives',
    label: 'Activate chat for all lives',
    type: 'input-checkbox',
    default: true,
    descriptionHTML: 'If checked, the chat will be enabled for all lives.',
    private: false
  })
  registerSetting({
    name: 'chat-all-non-lives',
    label: 'Activate chat for all non-lives',
    type: 'input-checkbox',
    default: false,
    descriptionHTML: 'If checked, the chat will be enable for all video that are not lives.',
    private: false
  })
  registerSetting({
    name: 'chat-videos-list',
    label: 'Activate chat for specific videos',
    type: 'input-textarea',
    default: '',
    descriptionHTML: 'Videos UUIDs for which we want a chat. ' +
      'Can be non-live videos. One per line. <br />' +
      'You can add comments: everything after the # character will be stripped off, and empty lines ignored.<br />' +
      'Don\'t add private videos, the UUIDs will be send to frontend.',
    private: false
  })

  registerSetting({
    name: 'chat-style',
    label: 'Webchat iframe style attribute',
    type: 'input-textarea',
    default: '',
    descriptionHTML: 'Additional styles to be added on the iframe style attribute. <br>' +
      'Example: height:400px;',
    private: false
  })

  // ********** settings changes management
  settingsManager.onSettingsChange(async (settings: any) => {
    if ('chat-type' in settings) {
      const chatType: ChatType = settings['chat-type'] ?? 'disabled'
      if (chatType === 'builtin-prosody') {
        peertubeHelpers.logger.info('Saving settings, ensuring prosody is running')
        await ensureProsodyRunning(options)
      } else {
        peertubeHelpers.logger.info('Saving settings, ensuring prosody is not running')
        await ensureProsodyNotRunning(options)
      }
    }
  })
}

export {
  initSettings
}